NCP5386BMNR2G Description

In order to power both AMD and Intel processors and chipsets, the NCP5386BMNR2G is a one- or two-phase buck controller that combines differential voltage and current detection with adaptive voltage placement. By offering the quickest initial reaction to transient load events, dual-edge pulse-width modulation (PWM) in conjunction with inductor current sensing lowers system costs. Reduced total bulk and ceramic output capacitance is needed to satisfy transient load-line regulation thanks to dual-edge multi-phase modulation. A high-performance operational error amplifier is offered, enabling simple system adjustment. The error amplifier compensation becomes essentially independent of the system reaction to VID thanks to the patented Dynamic Reference Injection technique. trade-offs between overshoot and dynamic VID performance are eliminated.

NCP5386BMNR2G Features

• This is a Pb?Free Device*

• DAC Range from 0.5 V to 1.6 V

• Programmable Soft?Start Time

• Adaptive Voltage Positioning (AVP)

• Phase?to?Phase Current Balancing

• Frequency Range: 100 kHz – 1.0 MHz

• Power Good Output with Internal Delays

• OVP with Resettable, 8 Event Delayed Latch

• High Performance Operational Error Amplifier

• Threshold Sensitive Enable Pin for VTT Sensing

• Dynamic Reference Injection (Patent# 7057381)

• Supports both VR11 and Legacy Soft?Start Modes

• 0.5% System Voltage Accuracy from 1.0 V to 1.6 V

• “Lossless” Differential Inductor Current Sensing

• True Differential Remote Voltage Sensing Amplifier

• Differential Current Sense Amplifiers for each Phase

• Meets Intel’s VR 10.0 and 11.0, and AMD Specifications

• Dual?Edge PWM for Fastest Initial Response to Transient Loading

• No load Intel VR Offset of ?19 mV (NCP5386), +20 mV (NCP5386A), and 0 mV (NCP5386B)

NCP5386BMNR2G Applications

• DDR

• Server Processors and Chipsets

• Desktop Processors and Chipsets